UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XF5w3vyaPRnI7sBdG9Chy8kVRkZwy6XKB1b0lcuGkm0=' 
WHERE 
  key_id = '16e5a7fc7e700baa4bc61a55a1e5420c089f9cf8827a1e97e8134975c8c80ec5' 
  AND (
    token = 'XF5w3vyaPRnI7sBdG9Chy8kVRkZwy6XKB1b0lcuGkm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )